Doped sol-gel glasses as pH sensors

C. Rottman; M. Ottolenghi; R. Zusman; O. Lev; M. Smith; G. Gong; M. L. Kagan; D. Avnir

doi:10.1016/0167-577X(92)90055-O

Doped sol-gel glasses as pH sensors

C. Rottman^*, M. Ottolenghi, R. Zusman, O. Lev, M. Smith, G. Gong, M. L. Kagan, D. Avnir

^*Corresponding author for this work

Institute of Chemistry

Research output: Contribution to journal › Article › peer-review

114 Scopus citations

Abstract

A series of pH indicators were trapped in sol-gel porous glasses by polymerization of tetramethoxysilane in the presence of a surface active agent. The properties of these novel sensing materials including spectral shifts, shifts in the pH-sensing range, cycle repeatability, leachability, rates of response and isosbestic points are described. A prototype of a pH meter based on a pH-sensing glass was constructed.

Original language	English
Pages (from-to)	293-298
Number of pages	6
Journal	Materials Letters
Volume	13
Issue number	6
DOIs	https://doi.org/10.1016/0167-577X(92)90055-O
State	Published - May 1992

Bibliographical note

Funding Information:
Supportedb y grants from the Israel National Council for R&D and KFK, Karlsruhe,G ermany; the US Army Research,D evelopmenta nd Stand-ardizationG roup (UK); theK rupp Foundationt; he SzaldF oundation.M O and DA are memberso f the L. Farkas (Minerva) Centerf or Light-EnergyC on-versiona nd acknowledgiets support.D A is a member of the F. Haber ResearchC enterf or Molecular Dynamics.

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abstract = "A series of pH indicators were trapped in sol-gel porous glasses by polymerization of tetramethoxysilane in the presence of a surface active agent. The properties of these novel sensing materials including spectral shifts, shifts in the pH-sensing range, cycle repeatability, leachability, rates of response and isosbestic points are described. A prototype of a pH meter based on a pH-sensing glass was constructed.",

author = "C. Rottman and M. Ottolenghi and R. Zusman and O. Lev and M. Smith and G. Gong and Kagan, {M. L.} and D. Avnir",

note = "Funding Information: Supportedb y grants from the Israel National Council for R&D and KFK, Karlsruhe,G ermany; the US Army Research,D evelopmenta nd Stand-ardizationG roup (UK); theK rupp Foundationt; he SzaldF oundation.M O and DA are memberso f the L. Farkas (Minerva) Centerf or Light-EnergyC on-versiona nd acknowledgiets support.D A is a member of the F. Haber ResearchC enterf or Molecular Dynamics.",

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doi = "10.1016/0167-577X(92)90055-O",

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AU - Ottolenghi, M.

AU - Zusman, R.

AU - Lev, O.

AU - Smith, M.

AU - Gong, G.

AU - Kagan, M. L.

AU - Avnir, D.

N1 - Funding Information: Supportedb y grants from the Israel National Council for R&D and KFK, Karlsruhe,G ermany; the US Army Research,D evelopmenta nd Stand-ardizationG roup (UK); theK rupp Foundationt; he SzaldF oundation.M O and DA are memberso f the L. Farkas (Minerva) Centerf or Light-EnergyC on-versiona nd acknowledgiets support.D A is a member of the F. Haber ResearchC enterf or Molecular Dynamics.

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AB - A series of pH indicators were trapped in sol-gel porous glasses by polymerization of tetramethoxysilane in the presence of a surface active agent. The properties of these novel sensing materials including spectral shifts, shifts in the pH-sensing range, cycle repeatability, leachability, rates of response and isosbestic points are described. A prototype of a pH meter based on a pH-sensing glass was constructed.

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Doped sol-gel glasses as pH sensors

Abstract

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